<template>
    <div class="photolist-container">
        <!-- 顶部滚动条区域 -->
        <div id="slider" class="mui-slider">
            <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                <div class="mui-scroll">
                    <a v-for="item in cates" :key="item.id" :class="['mui-control-item', item.id == 0 ? 'mui-active' : '']" href="#item1mobile" data-wid="tab-top-subpage-1.html" @click="getImgsList(item.id)">
                        {{item.title}}
                    </a>
                </div>
            </div>
        </div>
        <!-- 图片列表区域 -->
        <ul class="photo-list">
            <router-link v-for="item in imgs" :key="item.img_url" :to="'/home/photoinfo/'+item.id" tag="li">
                <img v-lazy="item.img_url">
                <div class="info">
                    <h1 class="info-title">{{ item.title }}</h1>
                    <div class="info-body">{{ item.zhaiyao }}</div>
                 </div>
            </router-link>
        </ul>
    </div>
</template>

<script>
import "../../assets/lib/js/mui.min.js";
export default {
  data() {
    return {
      cates: [],
      imgs: []
    };
  },
  created() {
    this.getAllCategory();
    this.getImgsList(0);
  },
  mounted() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },
  updated() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  },

  methods: {
    async getAllCategory() {
      const { data: res } = await this.$http.get("/api/getimgcategory");
      if (res.status != 0) return Toast("获取分类列表失败!");
      this.cates = res.message;
      this.cates.unshift({ id: 0, title: "全部" });
    },
    async getImgsList(cateid) {
      const { data: res } = await this.$http.get("/api/getimages/" + cateid);
      console.log(res);
      if (res.status != 0) return Toast("获取图片列表失败!");
      this.imgs = res.message;
    }
  }
};
</script>

<style lang="scss" scoped>
* {
  touch-action: pan-y;
}
.photo-list {
  padding: 10px;
  margin: 0;
  li {
    position: relative;
    background-color: #ccc;
    text-align: center;
    list-style: none;
    img {
      width: 100%;
      vertical-align: middle;
    }
    margin-bottom: 10px;
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info {
      padding: 0 5px;
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      max-height: 84px;
      .info-title {
        font-size: 14px;
      }
      .info-body {
        font-size: 13px;
      }
    }
  }
}
</style>
